Question: What is the binary relation that contains the word subset in their name
Paraphrase: What is the binary relationship that the word subset contains in its name?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q130901 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'subset')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: subset, subset, proper subset, proper subset